June 15, 2018 updates Posted on June 15, 2018June 28, 2020 by Doug Loss A dynamical origin for planets in triple star systems https://arxiv.org/abs/1806.05189 Life Versus Dark Energy: How An Advanced Civilization Could Resist the Accelerating Expansion of the Universe https://arxiv.org/abs/1806.05203 Formation of Giant Planets https://arxiv.org/abs/1806.05649 Spiral Arms in Disks: Planets or Gravitational Instability? https://arxiv.org/abs/1806.05183